Add image functions to GrGLInterface

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4840

Change-Id: I250cc4e637765c321c90e33c9b3f25c4ad12fe04
Reviewed-on: https://skia-review.googlesource.com/4840
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index 72c2b46d41..45d84add8d 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -830,5 +830,25 @@ bool GrGLInterface::validate() const {
         }
     }
 
+    if (kGL_GrGLStandard == fStandard) {
+        if (glVer >= GR_GL_VER(4,2) || fExtensions.has("GL_ARB_shader_image_load_store")) {
+            if (nullptr == fFunctions.fBindImageTexture ||
+                nullptr == fFunctions.fMemoryBarrier) {
+                RETURN_FALSE_INTERFACE;
+            }
+        }
+        if (glVer >= GR_GL_VER(4,5) || fExtensions.has("GL_ARB_ES3_1_compatibility")) {
+            if (nullptr == fFunctions.fMemoryBarrierByRegion) {
+                RETURN_FALSE_INTERFACE;
+            }
+        }
+    } else if (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1)) {
+        if (nullptr == fFunctions.fBindImageTexture ||
+            nullptr == fFunctions.fMemoryBarrier ||
+            nullptr == fFunctions.fMemoryBarrierByRegion) {
+            RETURN_FALSE_INTERFACE;
+        }
+    }
+
     return true;
 }